Dickson, T. R. (1975). Introduction to chemistry (2nd ed.). Wiley.
Dyfyniad Arddull ChicagoDickson, T. R. Introduction to Chemistry. 2nd ed. New York: Wiley, 1975.
Dyfyniad MLADickson, T. R. Introduction to Chemistry. 2nd ed. Wiley, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.